package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    private final String REDIS_CHARS = "dish_*";
    @PostMapping
    @ApiOperation("添加菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("save dish:{}", dishDTO);


        dishService.savewithFlavor(dishDTO);

        String key = "dish_" + dishDTO.getCategoryId();
        redisTemplate.delete(key);
        return Result.success();
    }

    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询:{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /*@PutMapping
    @ApiOperation("修改菜品管理信息")
    public Result update(@RequestBody DishDTO dishDTO) {
    删除菜品
    * */
    @DeleteMapping
    @ApiOperation("菜品删除")
    public Result delete(@RequestParam List<Long> ids) {
        log.info("菜品删除，删除的菜品id为：{}", ids);
        dishService.deleteBatch(ids);

        //清理所有的菜品缓存数据
        clearCache();
        return new Result().success();
    }

    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询菜品:{}", id);

        DishVO dish = dishService.getByIdwithFlavor(id);
        return new Result().success(dish);
    }

    /*
     * 修改菜品
     * */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品，id为：{}", dishDTO);
        dishService.update(dishDTO);

        clearCache();

        return new Result().success();
    }

    /*
    * 修改菜品状态信息，起售或者停售
    * */
    @PostMapping("/status/{status}")
    @ApiOperation("修改菜品的状态信息")
    public Result startOrStop(@PathVariable Integer status,Long id) {
        log.info("修改菜品的状态信息，id为:{},状态为{}",id,status);
        dishService.startOrStop(status,id);

        clearCache();

        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    private void clearCache()
    {
        Set keys = redisTemplate.keys(REDIS_CHARS);
        redisTemplate.delete(keys);
    }
}
